UWRF Biology 101 Exam 2 Questions Perfectly Answered!!

Cell - smallest living unit of life 2 Categories for all Cells - Eukaryotic and Prokaryotic Eukaryotic cells have - a true nucleus Bacteria is an example of - prokaryotic cell 2 types of Eukaryotic cells - plant and animal Organelle - a part of the cell that has a specialized structure and function what 3 things make a plant and animal cell different from each other - plants have chloroplast, large vacuole, and cell wall. animal cells do not Endoplasmic Reticulum - Can be smooth or rough Cytoplasm - Soup within which all organelles float Mitochondria - power centers of the cell Lysosome - intracellular digestion Vacuole - Plants (large and centrally located) Animals (very small)Cell or plasma membrane - separates cell from outside environment. serves as a gateway for several molecules. Nucleus - most obvious organelle in eukaryotic cells Chloroplast - contain chlorophyll Cell wall - maintains the shape of the cell. found in prokaryotes ribosomes on rough ER - Proteins are made Golgi Body/Apparatus - final processing and packaging of proteins Element - made of 1 type of atom molecule - more than 1 or 2 different atoms bonded together 4 elements of life - carbon, hydrogen, oxygen, nitrogen 4 macromolecules - carbohydrates, lipids, proteins, nucleic acids 2 forms of fatty acids - cholesterol and triglycerides Proteins are made of building blocks called - amino acids